CHEMICAL REACTION ENGINEERING QUIZ

Collision theory gives the rate constant for bimolecular reaction as

K α √T.e-E/RT

None of these

K α e-E/RT

K α eE/RT

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YOUR ANSWER : ?

In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?

N₂ + O₂ ⇋ 2NO

N + 3H₂ ⇋ 2NH₃

PCl3 + Cl₂ ⇋ PCl5

2SO₂ + O₂ ⇋ 2SO₃

TRUE ANSWER : ?
YOUR ANSWER : ?

'Unreacted core model' represents the reaction involving

Combustion of coal particles

Roasting of sulphide ores

None of these

Manufacture of carbon disulphide from elements

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ resistance is not involved in the combustion of a carbon particle.

Gas film

None of these

Ash

Chemical reaction

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For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium?

0.152

0.637

0.338

0.253

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YOUR ANSWER : ?

Inversion of cane sugar is an example of

Unimolecular reaction with first order

Unimolecular reaction with second order

Bimolecular reaction with first order

Bimolecular reaction with second order

TRUE ANSWER : ?
YOUR ANSWER : ?

A high space velocity means that a given

Reaction can be accomplished with small reactor

Both A and B

None of these

Conversion can be obtained with a high feed rate

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A plug-flow reactor is characterised by

Presence of axial mixing

High capacity

Constant composition and temperature of reaction mixture

Presence of lateral mixing

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Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Pore diffusion

Chemical reaction

Film diffusion

Ash layer diffusion

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YOUR ANSWER : ?

Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure?

None of these

Langmuir adsorption isotherm

Freundlich adsorption isotherm

Adsorption isobar

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YOUR ANSWER : ?

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